FP2 polynomials related to the generating functions of the left hand columns of the A156920 triangle.
A156925
FP2 polynomials related to the generating functions of the left hand columns of the A156920 triangle.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =8a(5) =-11a(6) =-6a(7) =1a(8) =38a(9) =-108a(10) =-242a(11) =839a(12) =-444a(13) =-180a(14) =1a(15) =144a(16) =-425a(17) =-7382a(18) =48451a(19) =-96764a(20) =-2559a(21) =257002a(22) =-312444a(23) =88344a(24) =30240a(25) =1a(26) =487a(27) =720a(28) =-130472a(29) =1277794
External references
- oeis: A156925